electron-react-boilerplate/app/reducers/counter.js

Electron application boilerplate based on React, React Router, Webpack, React Hot Loader for rapid application development

import { INCREMENT_COUNTER, DECREMENT_COUNTER } from '../actions/counter';

export default function counter(state = 0, action) {
  switch (action.type) {
    case INCREMENT_COUNTER:
      return state + 1;
    case DECREMENT_COUNTER:
      return state - 1;
    default:
      return state;
  }
}